import strings fn test_repeat() { assert strings.repeat(`x`, 10) == 'xxxxxxxxxx' assert strings.repeat(`a`, 1) == 'a' assert strings.repeat(`a`, 0) == '' } fn test_repeat_string() { assert strings.repeat_string('abc', 3) == 'abcabcabc' assert strings.repeat_string('abc', 1) == 'abc' assert strings.repeat_string('abc', 0) == '' assert strings.repeat_string('', 200) == '' }